parachutists, and there was a remote control system and so the airplane was flown from, it was down in mexico over to the crash site and then the three pilots transferred control of the airplane over to a remote control system and they parachuted out and then a chase airplane that was operating the airplane by remote control crashed it into the desert. >> and what happens on impact crashing into the desert. >> it was pretty dramatic. the nose and cockpit buckled under the airplane and was basically run over by the aircraft. the first ten rows of seats were completely destroyed. and the rest of the fuselage remained intact. >> wow. so the lesson from this is where is the best place to sit? >> yeah. well, you know, we measured the forces as they come up through the aircraft flow and into the seats and the passengers. of course the first ten rows were completely destroyed so they would have been nonsurvivable. area just behind that but in front of the wing had potential for serious injury but was survivable. and then over the wing it was moderate injuries and survivable. and then in the back was